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Finding the Fourth Proportional to 172,432.22, 237,954.17 and 96,980.72

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Solution

The fourth proportional to 172,432.22, 237,954.17 and 96,980.72 is: 133,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,432.22 : 237,954.17 = 96,980.72 : x
  2. Step 2: Convert to fraction form
    172,432.22/237,954.17 = 96,980.72/x
  3. Step 3: Cross multiply
    172,432.22x = 237,954.17 × 96,980.72
  4. Step 4: Simplify right side
    172,432.22x = 23,076,965,786.28
  5. Step 5: Solve for x
    x = 23,076,965,786.28/172,432.22
  6. Step 6: Final answer
    x = 133,832.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.